.app {
    height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  
  .body {
    flex: 1;
    padding-bottom: 50px;
  }
  
  .bottom {
    flex: 0;
    border-top: solid 1px var(--adm-color-border);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #fff;
  }